| Erastria coloraria |
Broad-lined Erastria |
Insect:Lepidoptera |
Moths |
<25% |
RSGCN |
| Erora laeta |
Early Hairstreak |
Insect:Lepidoptera |
Butterflies and Skippers |
50-75% |
RSGCN |
| Erynnis martialis |
Mottled Duskywing |
Insect:Lepidoptera |
Butterflies and Skippers |
<25% |
RSGCN |
| Euchloe olympia |
Olympia Marble |
Insect:Lepidoptera |
Butterflies and Skippers |
<25% |
RSGCN |
| Eulimnadia agassizii |
Agassiz Clam Shrimp |
Marine Invertebrate |
Marine Crustaceans |
75-100% |
RSGCN |
| Phanogomphus quadricolor |
Rapids Clubtail |
Insect:Odonata |
Dragonflies and Damselflies |
25-50% |
RSGCN |
| Stenogomphurus rogersi |
Sable Clubtail |
Insect:Odonata |
Dragonflies and Damselflies |
50-75% |
RSGCN |
| Hadena ectypa |
The Starry Campion Moth |
Insect:Lepidoptera |
Moths |
25-50% |
RSGCN |
| Ameletus browni |
Brown's Comb Minnow Mayfly |
Insect:EPT |
Mayflies |
75-100% |
RSGCN |
| Heterocampa varia |
a prominent moth |
Insect:Lepidoptera |
Moths |
25-50% |
RSGCN |
| Homarus americanus |
American Lobster |
Marine Invertebrate |
Marine Crustaceans |
75-100% |
RSGCN |
| Boloria chariclea montinus |
White Mountain Fritillary |
Insect:Lepidoptera |
Butterflies and Skippers |
100% (NEAFWA Endemic) |
RSGCN |
| Cambarus callainus |
Big Sandy Crayfish |
Crustacean |
Crayfishes |
50-75% |
RSGCN |
| Lithophane lepida |
Pale Pinion |
Insect:Lepidoptera |
Moths |
50-75% |
RSGCN |
| Glyptemys insculpta |
Wood Turtle |
Reptile |
Turtles |
75-100% |
RSGCN |
| Abagrotis benjamini |
Benjamin's Coastal Heathland Cutworm Moth |
Insect:Lepidoptera |
Moths |
75-100% |
RSGCN |
| Charadrius melodus |
Piping Plover (Atlantic Coast pop.) |
Bird |
Shorebirds |
25-50% |
RSGCN |
| Pseudemys rubriventris |
Northern Red-bellied Cooter (Massachusetts pop.) |
Reptile |
Turtles |
100% (NEAFWA Endemic) |
RSGCN |
| Osmerus mordax |
Rainbow Smelt (native pop.) |
Fish |
Diadromous Fish |
75-100% |
RSGCN |
| Polycentropus chenoides |
a polycentropodid caddisfly |
Insect:EPT |
Caddisflies |
100% (NEAFWA Endemic) |
RSGCN |
| Sweltsa palearata |
Shenandoah Sallfly |
Insect:EPT |
Stoneflies |
100% (NEAFWA Endemic) |
RSGCN |
| Isoperla myersi |
Paddle Stripetail |
Insect:EPT |
Stoneflies |
100% (NEAFWA Endemic) |
RSGCN |
| Epeoloides pilosulus |
Macropis Cuckoo Bee |
Insect:Hymenoptera |
Solitary Bees |
50-75% |
RSGCN |
| Synaptomys borealis sphagnicola |
Northern Bog Lemming |
Mammal |
Small Mammals:Rodentia |
75-100% |
RSGCN |
| Habroscelimorpha dorsalis media |
White Tiger Beetle |
Insect:Coleoptera |
Tiger Beetles |
25-50% |
RSGCN |
| Ptychobranchus subtentus |
Fluted Kidneyshell |
Mollusc |
Freshwater Bivalves |
<25% |
RSGCN |
| Photuris pensylvanica |
Dot-dash Firefly |
Insect:Coleoptera |
Fireflies |
100% (NEAFWA Endemic) |
RSGCN |
| Pyrgus centaureae wyandot |
Appalachian Grizzled Skipper |
Insect:Lepidoptera |
Butterflies and Skippers |
25-50% |
RSGCN |
| Cyzicus gynecia |
Feminine Clam Shrimp |
Crustacean |
Fairy, Clam, and Tadpole Shrimp |
50-75% |
RSGCN |
| Rynchops niger |
Black Skimmer |
Bird |
Waterbirds |
<25% |
RSGCN |
| Pituophis melanoleucus melanoleucus |
Northern Pinesnake |
Reptile |
Snakes |
25-50% |
RSGCN |
| Calidris canutus rufa |
Red Knot |
Bird |
Shorebirds |
<25% |
RSGCN |
| Sistrurus catenatus |
Eastern Massasauga |
Reptile |
Snakes |
<25% |
RSGCN |
| Cryptobranchus alleganiensis |
Hellbender |
Amphibian |
Salamanders |
25-50% |
RSGCN |
| Ostrocerca prolongata |
Bent Forestfly |
Insect:EPT |
Stoneflies |
75-100% |
RSGCN |
| Gomphurus ventricosus |
Skillet Clubtail |
Insect:Odonata |
Dragonflies and Damselflies |
25-50% |
RSGCN |
| Triodopsis platysayoides |
Cheat Threetooth |
Mollusc |
Terrestrial Snails |
100% (NEAFWA Endemic) |
RSGCN |
| Fusconaia subrotunda |
Longsolid |
Mollusc |
Freshwater Bivalves |
<25% |
RSGCN |
| Glyphyalinia raderi |
Maryland Glyph |
Mollusc |
Terrestrial Snails |
75-100% |
RSGCN |
| Helicodiscus triodus |
Talus Coil |
Mollusc |
Terrestrial Snails |
100% (NEAFWA Endemic) |
RSGCN |
| Lampsilis cariosa |
Yellow Lampmussel |
Mollusc |
Freshwater Bivalves |
50-75% |
RSGCN |
| Lasmigona holstonia |
Tennessee Heelsplitter |
Mollusc |
Freshwater Bivalves |
<25% |
RSGCN |
| Leptodea ochracea |
Tidewater Mucket |
Mollusc |
Freshwater Bivalves |
75-100% |
RSGCN |
| Ligumia nasuta |
Eastern Pondmussel |
Mollusc |
Freshwater Bivalves |
50-75% |
RSGCN |
| Obovaria subrotunda |
Round Hickorynut |
Mollusc |
Freshwater Bivalves |
25-50% |
RSGCN |
| Lethenteron appendix |
American Brook Lamprey |
Fish |
Freshwater Fish |
25-50% |
RSGCN |
| Paravitrea septadens |
Brown Supercoil |
Mollusc |
Terrestrial Snails |
50-75% |
RSGCN |
| Sciurus niger cinereus |
Delmarva Fox Squirrel |
Mammal |
Small Mammals:Rodentia |
100% (NEAFWA Endemic) |
RSGCN |
| Microtus pennsylvanicus provectus |
Block Island Meadow Vole |
Mammal |
Small Mammals:Rodentia |
100% (NEAFWA Endemic) |
RSGCN |
| Myotis leibii |
Eastern Small-footed Myotis |
Mammal |
Bats |
50-75% |
RSGCN |